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Damm [24]
3 years ago
11

Choose all the answers that apply.

Chemistry
2 answers:
pishuonlain [190]3 years ago
6 0
Has 7 neutrons is the answer
Katena32 [7]3 years ago
5 0

Answer:

has 7 neutrons

hope this helped.

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8. Which type of element requires the least amount of energy to remove an electron?​
pychu [463]

Answer:

nonmetals

Explanation:

4 0
3 years ago
An object with a mass of 3.2kg has a force of 16.3 newtons to the right and 6.7 newtons to the left applied to it. What is the r
Pepsi [2]

Answer:

3m/s²

Explanation:

Given parameters:

Mass of object  = 3.2kg

Force to the right = 16.3N

Force to the left  = 6.7N

Unknown:

Acceleration of the object  = ?

Solution:

To solve this problem, we use newtons second law of motion;

   Net force  = mass x acceleration

 Net force on object  = Force to the right  - Force to the left

 Net force  = 16.3N  - 6.7N  = 9.6N

    So;

         9.6  = 3.2 x a

              a = \frac{9.6}{3.2}   = 3m/s²

7 0
3 years ago
When one form of energy is converted to another form in any physical or chemical change, energy input alwasy equals energy outpu
aliya0001 [1]
In the context of chemistry, yes. Energy input is always equal to the energy output.
5 0
3 years ago
Can someone help me with these. I don’t understand how to answer them or do the work
ICE Princess25 [194]
How am I supposed to help you if there's not picture of what the problem is
6 0
3 years ago
5 atoms Pb to mol Pb
jek_recluse [69]

Answer:

0,83 x 10-²³ mol

Explanation:

n=N/Na

n=5:(6,02 x 10²³)

5 0
3 years ago
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